Robotic additive manufacturing system: development of suitable range of process parameters for 3D printing of a large-sized object in PLA polymer

Additive manufacturing (AM) is a disruptive technology with huge potential to replace traditional manufacturing methods. There is an optimistic perspective to increase the use of AM because several applications were developed, and many ongoing projects are active. AM extrusion technology that uses p...

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Veröffentlicht in:Progress in additive manufacturing 2025, Vol.10 (1), p.887-898
Hauptverfasser: Pulquerio, Eduardo Costa, Barbosa, Gustavo Franco, Shiki, Sidney Bruce
Format: Artikel
Sprache:eng
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Zusammenfassung:Additive manufacturing (AM) is a disruptive technology with huge potential to replace traditional manufacturing methods. There is an optimistic perspective to increase the use of AM because several applications were developed, and many ongoing projects are active. AM extrusion technology that uses prefabricated filaments is known as FFF (Fused Filament Fabrication). By coupling a screw extruder to the printing system, the materials are fed simultaneously with the printing, so the technique is known as FGF (Fused Granular Fabrication). Both techniques have slow printing speed that limits their use for mass production. To overcome this disadvantage, a single-screw extruder was coupled to an anthropomorphic robotic arm, configurating the Robotic Additive Manufacturing, suitable for complex and large-sized 3D objects cases. The most important process parameters were set by a suitable experimental campaign, ensuring a regular geometry of the deposited layer. One-layer 200 mm long deposited tracks samples was obtained by the combination of process parameters. After the dimensional measurement, a regression analysis was performed to describe the relationship between the process parameters and the geometry of the layer. The obtained mathematical models were used to set up suitable combination of process parameters for slicing and printing a 3D large-sized object in PLA polymer.
ISSN:2363-9512
2363-9520
DOI:10.1007/s40964-024-00685-y